30103772 has 6 divisors (see below), whose sum is σ = 52681608. Its totient is φ = 15051884.

The previous prime is 30103763. The next prime is 30103783. The reversal of 30103772 is 27730103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3762968 + ... + 3762975.

It is an arithmetic number, because the mean of its divisors is an integer number (8780268).

Almost surely, 2^30103772 is an apocalyptic number.

It is an amenable number.

30103772 is a deficient number, since it is larger than the sum of its proper divisors (22577836).

30103772 is a wasteful number, since it uses less digits than its factorization.

30103772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525947 (or 7525945 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 30103772 is about 5486.6904414228. The cubic root of 30103772 is about 311.0811091061.

Adding to 30103772 its reverse (27730103), we get a palindrome (57833875).

The spelling of 30103772 in words is "thirty million, one hundred three thousand, seven hundred seventy-two".